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Super Ledger Hyperledger-fabric local compilation and installation From Yang Paohua and other "blockchain-principles, design and Application" Local compilation installation deployment Super Ledger fabric network. The super ledger fabric is based on the Go language implementation, and local compilation is recommended to configure Golang1.7 or later environments. Here's how to compile a binary file that gene
1. Configure the application demo marbles of the Blockchain project developed by IBM to Bluemix Marbles's access address is https://github.com/IBM-Blockchain/marbles, click the Deploy to Bluemix button and the app will be deployed automatically. BlueMix is the latest cloud product from IBM. IBM BlueMix is a platform-as-a-service (PaaS) product based on the cloud Foundry Open source project that provides e
This is a creation in Article, where the information may have evolved or changed. Summary The Super Ledger (Hyperledger) is one of many projects under the Linux Foundation. The blockchain project, introduced in 2015 by IBM, Interlaken, and the financial companies, GP Morgan and other joint agencies, also includes 5 framework projects: Sawtooth, Iroha, Fabric, Burrow, Indy, and 3 tool projects:
written yet) and why it failed. In other words, you can use JUnit testing as a guide to implement code correctly.Now, if it's hard to understand, don't worry; I've provided a solution in com.makotojava.learn.blockchain.chaincode.solution in case you're stuck (or want to help with the implementation by reference).Writing the Java chain codeLet's start by introducing some of the background you need to know to implement the chain code approach in Chaincodelog. The Java chain code communicates with
1, Environmental structure Description:The system uses the container to run, the construction process is simple, each component division of labor is clear:1.docker-compose:docker container management;2.Go Lang Sdk:go language development, compilation environment;3.git:git Mirror Clone and commit;4.Rest client:rest API test;The main operations of the container are: Membersrv and peer; 2. Deployment Environment Readiness 3. Installation and Deployment3.1 Pulling the mirror from the DockerhubA. Ins
some nodes participate in the consensus process. Hyperledger fabric belongs to the consortium chain. What is hyperledger fabric? Hyperledger fabric is one of the hyperledger projects launched by the Linux Foundation. Hyperledger fabric is an open-source
to all future blockchain, or new decentralized distributed systems. Bletchley: Microsoft launched the Blockchain Project Bletchley, an architecture and solution for a blockchain ecosystem designed to create an "open, modular blockchain framework" that "creates a blockchain
use Geth to build their own private chain to test, Geth start, you can first in the mist client familiar with the smart contract and solidity language (remember to dig in the Geth console, otherwise there is no etheric currency to test), Then try your first dapp based on a few examples from the official website. After you get started, you can try using Web3.js to invoke, or install truffle or embark directly to develop your own real dapp application. Third, IBM
Blockchain technology architecture, blockchain key data, blockchain governance, blockchain security, Blockchain technology development roadmap Third day (afternoon): Ethereum, Super Ledger and Intelligent Contract technology principles and application analysis 1. Understand
Hyperledger-Super Ledger study report first, what is blockchain. The fundamentals of the blockchain, the basic components include: Trade: Changes in the state of the ledger; Block: Record transactions and status, is a confirmation of the status of the current ledger; Chains: Logging of state changes. When a blockchain
Images required to recompile the Docker development environment after Hyperledger/fabric new user Author: Chen Zhao Lin email:chenlin2@ms9.hinet.net Hyperledger does not belong to the public Chain, such as Bitcoin, he is a private chain that requires user review and authentication to join a blockchain transaction, which uses a CA (Certificate authority) for pub
This is a created article in which the information may have evolved or changed. 1. Environmental architecture The system uses the container to run, the construction process is simple, each component division of labor is clear:
00 Introduction The open source Blockchain distributed ledger--hyperledger Fabric, launched by the Linux Foundation, has ushered in the 1.2.0 version. The project focuses on performance and reliability, as well as cross-industry collaboration to drive blockchain and distributed ledger technology. Hyperledger Fabric can
Blockchain Introduction A blockchain is a data structure that is logically linked from the back to the block that contains the transaction information. It can be stored as flat file, which contains files with no relative relational records, or stored in a simple database. Bitcoin core clients use Google's LEVELDB database to store blockchain metadata. Chunks are
. Understand the concept and foundation of blockchain technology; 2. Understand the blockchain industry development status, business model, and related policies and regulations. Day two: Blockchain industry and ICO investment analysis and trends 1. In-depth understanding of the commercial product-level blockchain platf
installation is complete, clear the following cache caches sudo yum clean all Start installing Docker-compose 1. Install Docker-compose: Curl-l https://get.daocloud.io/docker/compose/releases/download/1.9.0/docker-compose-' uname-s '-' uname-m ' >/ Usr/local/bin/docker-compose chmod +x/usr/local/bin/docker-compose2. Check the installation status: Configure the following Docker image acceleration to download the mirror faster: Curl-ssl https://get.daocloud.io/daotools/set_mirror.sh | Sh-s Htt
IBM Blockchain Series Hyperledger, in addition to the most core of the fabric network also out a series of tools and engineering, this is recorded under the Blockchain browser installation deployment, the current version is to use the PostgreSQL database to store data (previous version using MySQL).Browsers use Psql and Nodejs to develop, so for Java or Golang sm
Blockchain Enthusiast (qq:53016353) The blockchain uses an Internet-based (Internet)-on-Peer (peer-to-peer) network architecture. Peer to peer refers to each computer located in the same network is equal to each other, each node provides network services together, there is no "special" node. Each network node is connected with a "flat (flat)" topology. There is no service-side (server), centralized service,
block Chain Intro What the blockchain really is. Blockchain (English: Blockchain) is a distributed database, originated from Bitcoin, Blockchain is a series of cryptographic methods associated with the generated data block, each block contains a number of Bitcoin network transactions information, to verify the validi
Before and after the Spring Festival, the blockchain again blew our circle of friends: Three o'clock the continued force of the group, Venezuela's oil currency issued, "in the Cong" suddenly appeared, the price of the encryption currency fluctuations ... Now the streets are talking about blockchain, and our blockchain technology salon has been in this atmosphere
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